Justin Roberts vs Lucas MarionneauPrediction, Head-to-Head Results, and Stats
Justin Roberts and Lucas Marionneau have met 1 time since 2026; Lucas Marionneau leads 1–0. Across all meetings Roberts has taken 0 sets to Marionneau's 2. Their most recent meeting: Lucas Marionneau won at M15 Lakewood (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Roberts | Marionneau | ||
|---|---|---|---|---|
| Indicator | Justin Roberts | Lucas Marionneau | ||
| Wins in straight sets | 38% | 5/13 | 83% | 15/18 |
| Wins a set when losing | 29% | 5/17 | 13% | 1/8 |
| Goes to a deciding set | 43% | 13/30 | 15% | 4/26 |
| Covers −1.5 sets as favorite | 33% | 3/9 | 73% | 11/15 |
| Covers +1.5 sets as underdog | 39% | 7/18 | 43% | 3/7 |
| Tiebreak sets won | 60% | 9/15 | 86% | 6/7 |
| Wins after taking set 1 | 83% | 10/12 | 94% | 17/18 |
| Wins 2-0 after taking set 1 | 42% | 5/12 | 83% | 15/18 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 1 completed meetings ended in straight sets (Roberts 0, Marionneau 1).
Style Matchup
Playing styles and historical archetype record
Roberts
⚙️ Grinder
Marionneau
💥 Big Hitter
Matchup analysis
The 💥 Big Hitter archetype wins about 55% vs ⚙️ Grinder across 1,211 matches in our dataset: a stylistic lean toward Lucas Marionneau.
Big Hitter players often use power groundstrokes and high winner count to pressure the grinder's relentless consistency.
Previous meetings
1 career meeting, newest first
May 27, 2026
M15 Lakewood
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Roberts | Marionneau | ||
|---|---|---|---|---|
| Outcome | Justin Roberts | Lucas Marionneau | ||
| 1 or more | 100% | 7/7 | 100% | 11/11 |
| 3 or more | 57% | 4/7 | 91% | 10/11 |
| 5 or more | 29% | 2/7 | 91% | 10/11 |
| 10 or more | 0% | 0/7 | 36% | 4/11 |
| 15 or more | 0% | 0/7 | 0% | 0/11 |
| 20 or more | 0% | 0/7 | 0% | 0/11 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Roberts | Marionneau |
|---|---|---|
| W-L | 3–5 | 8–5 |
| Avg odds | 3.22 | 1.55 |
| ROI % | -23.9% | -17.5% |
| Units P/L | -1.91u | -2.28u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Roberts | Marionneau |
|---|---|---|
| Countries | 1 | — |
| Events | 1 | — |
| Matches | 1 | — |
| Distance | — | — |
| Route | USA | — |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Across 1 shared opponent, both Roberts and Marionneau posted a 100% win rate.
| Opponent | Roberts | Marionneau |
|---|---|---|
| Jelani Sarr | W 46 76 60 | W 64 61 |
Recent Form
Last five matches per player
Jelani Sarr
M25 East Lansing · 1st Round
Aug 12
Vignesh Gogineni
M25 Edwardsville · 1st Round
Jul 29
Maximillian Mroz
M25 Champaign · 1st Round
Jul 22
Maximillian Mroz
M25 Champaign · 1st Round
Jul 22
Edward Winter
Granby challenger
Jul 12
Timo Legout
M25 Laval · 1st Round
Jul 8
Oliver Bonding
M15 Lakewood · 2nd Round
Jun 4
Nathan Cox
M15 Lakewood · 1st Round
Jun 3
Robin Catry
M15 Dublin · Quarterfinals
Jul 31
Valentin Lapalu
M15 Dublin · 2nd Round
Jul 30
Barney Fitzpatrick
M15 Dublin · 1st Round
Jul 29
Hugo Car
M15 Rognac · Quarterfinals
Jul 24
Maxence Rivet
M15 Rognac · 2nd Round
Jul 23
Valentin Gonzalez-Galino
M15 Rognac · 1st Round
Jul 21
Francisco Rocha
M15 Castelo Branco · 2nd Round
Jul 16
Tiago Silva
M15 Castelo Branco · 1st Round
Jul 15
Win rate
Matches, sets and games won · Last 12 months · 26–30 matches
| Metric | Roberts | Marionneau |
|---|---|---|
| Matches won | 43% | 69% |
| Sets won | 42% | 66% |
| Games won | 49% | 55% |
Record by tier
Head-to-head record by tournament tier
| Stage | Roberts | Marionneau |
|---|---|---|
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Roberts | Marionneau |
|---|---|---|
| Hard | 0 | 1 |
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